IT971382B - Servovalvola elettroidraulica - Google Patents
Servovalvola elettroidraulicaInfo
- Publication number
- IT971382B IT971382B IT3229772A IT3229772A IT971382B IT 971382 B IT971382 B IT 971382B IT 3229772 A IT3229772 A IT 3229772A IT 3229772 A IT3229772 A IT 3229772A IT 971382 B IT971382 B IT 971382B
- Authority
- IT
- Italy
- Prior art keywords
- electro
- hydraulic servovalve
- servovalve
- hydraulic
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
- F15B13/0436—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the pilot valves being of the steerable jet type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
- F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
- F15B9/06—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by means using a fluid jet
- F15B9/07—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by means using a fluid jet with electrical control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/0655—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with flat slides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/86582—Pilot-actuated
- Y10T137/8659—Variable orifice-type modulator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/86582—Pilot-actuated
- Y10T137/86606—Common to plural valve motor chambers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/86582—Pilot-actuated
- Y10T137/86614—Electric
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Servomotors (AREA)
- Multiple-Way Valves (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712160490 DE2160490C3 (de) | 1971-12-07 | 1971-12-07 | Steuerventileinrichtung |
DE19712160488 DE2160488A1 (de) | 1971-12-07 | 1971-12-07 | Elektrohydraulisches servoventil |
DE2160489 | 1971-12-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT971382B true IT971382B (it) | 1974-04-30 |
Family
ID=27183891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT3229772A IT971382B (it) | 1971-12-07 | 1972-11-30 | Servovalvola elettroidraulica |
Country Status (5)
Country | Link |
---|---|
US (1) | US3835888A (it) |
JP (1) | JPS4864388A (it) |
FR (1) | FR2162462B1 (it) |
GB (1) | GB1385928A (it) |
IT (1) | IT971382B (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4357471A (en) * | 1976-12-17 | 1982-11-02 | Rohm And Haas Company | Azaspiro compounds |
US4368750A (en) * | 1978-04-28 | 1983-01-18 | Sundstrand Corporation | Ball-type feedback motor for servovalves |
US4310143A (en) * | 1978-11-29 | 1982-01-12 | Gresen Manufacturing Company | Electrically controlled proportional valve |
GB8404169D0 (en) * | 1984-02-17 | 1984-03-21 | Dowty Hydraulic Units Ltd | Electrohydraulic servo valve |
EP0325200B1 (en) * | 1988-01-18 | 1994-04-13 | Hitachi, Ltd. | Rotary valve |
US5244002A (en) * | 1991-12-18 | 1993-09-14 | Moog Controls, Inc. | Spool position indicator |
US5787915A (en) * | 1997-01-21 | 1998-08-04 | J. Otto Byers & Associates | Servo positioning system |
WO1999063232A1 (en) * | 1998-06-05 | 1999-12-09 | J. Otto Byers & Associates | Servo positioning system |
US6480510B1 (en) | 1998-07-28 | 2002-11-12 | Serconet Ltd. | Local area network of serial intelligent cells |
US6826998B2 (en) | 2002-07-02 | 2004-12-07 | Lillbacka Jetair Oy | Electro Hydraulic servo valve |
EP3208473B1 (en) * | 2016-02-19 | 2019-04-03 | Hamilton Sundstrand Corporation | Jet pipe arrangement for a servo valve |
US20170370496A1 (en) * | 2016-06-27 | 2017-12-28 | Nabtesco Corporation | Servo-valve and fluidic device |
CN108953738B (zh) * | 2018-07-12 | 2019-10-29 | 温州大学激光与光电智能制造研究院 | 双阀体装置系统的控制方法 |
CN111022438A (zh) * | 2019-12-25 | 2020-04-17 | 深圳市群卜鸿科技有限公司 | 一种散热效果好的具有除杂功能的液压站 |
CN112682376B (zh) * | 2020-11-26 | 2023-03-14 | 河南航天液压气动技术有限公司 | 一种大流量电液伺服阀 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2875782A (en) * | 1953-12-24 | 1959-03-03 | Research Corp | Valves and method of making same |
US2884907A (en) * | 1957-08-30 | 1959-05-05 | Raymond Atchley Inc | Servo-mechanism |
US2961002A (en) * | 1958-09-29 | 1960-11-22 | Carroll G Gordon | Electro-hydraulic servo valve |
GB907226A (en) * | 1958-11-27 | 1962-10-03 | Wilmot Breeden Ltd | Fluid control valves |
US2953123A (en) * | 1959-10-30 | 1960-09-20 | Textron Electronics Inc | Electrohydraulic servo valve |
US3018795A (en) * | 1960-09-12 | 1962-01-30 | Carroll G Gordon | Electro-hydraulic servo valves |
US3162804A (en) * | 1961-09-15 | 1964-12-22 | Gen Precision Inc | Translating instrument employing hall-effect device |
US3176593A (en) * | 1962-06-21 | 1965-04-06 | Robert J Bernstein | Pressure responsive servo valve |
US3178151A (en) * | 1963-01-23 | 1965-04-13 | Marquardt Corp | Linear displacement electromagnetic actuator |
US3216454A (en) * | 1963-07-08 | 1965-11-09 | Lockheed Aircraft Corp | Gain adjuster for servomechanisms |
US3308795A (en) * | 1966-06-06 | 1967-03-14 | Gene H Amsbury | Cut-off device for automobile engine |
GB1197897A (en) * | 1966-08-26 | 1970-07-08 | Norris Systems Ltd | Improvements in or relating to Fluid Control Valves |
US3543642A (en) * | 1969-05-28 | 1970-12-01 | Us Navy | Unitized control module for a hydraulic actuation apparatus |
-
1972
- 1972-11-03 US US30363472 patent/US3835888A/en not_active Expired - Lifetime
- 1972-11-28 GB GB5499372A patent/GB1385928A/en not_active Expired
- 1972-11-30 IT IT3229772A patent/IT971382B/it active
- 1972-12-05 FR FR7243252A patent/FR2162462B1/fr not_active Expired
- 1972-12-07 JP JP12297772A patent/JPS4864388A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2162462B1 (it) | 1976-10-29 |
JPS4864388A (it) | 1973-09-06 |
US3835888A (en) | 1974-09-17 |
FR2162462A1 (it) | 1973-07-20 |
GB1385928A (en) | 1975-03-05 |
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